Trux 3 4" Stop, Turn & Tail LED Light 3 Diodes, Round, DOT www 3 Inch Round Marine Boat LED Courtesy Light 12V Transom Stern Anchor Marine Transom Lights Color Changing RGB Stainless Steel S44d7214597ec4c74b7fff74addf883880.jpg. LED 3 Mile Transom Light Part #: 6556 7 For pleasure craft up to 164 ft. (50m) in length, Attwood offers one of the first 3NM LED transom navigational lights. Creating 135 degrees of light at 3NM of visibility, Attwood's proprietary optics design focuses the light aft, keeping the operator in a "shadow". A truly unique design, Attwood's transom light includes a luxurious electropolished stainless cover that is both durable and great looking. Attwood wraps it all together with an easy to install, "surface mount" design that utilizes a snap feature to eliminate exposed fasteners. 3 inch diameter. 1. 5 watts at 12 VDC, compatible with both Attwood and Perko mounting holes. Lights are rated for 50,000+ hours of use and feature a 10 year warranty. Features: Stainless Steel 1. 5W at 12VDC 135 degrees 3nm 10 Year Warranty